<!--header-->
<header>
    <div class="flex-h-right container ">
        <div class="flex-h-space login-lang">
            <div class="login flex-h">
                <p class="login-btn">
                    <a href="#" class="sign-in" id="btnLogin"> 登录 </a>
                    <a href="#" class="reg" id="btnReg"> 注册 </a>
                </p>
            </div>
            <p class="lang" id="langBox">
                <a href="#" data-lang="en" class="cur">English</a>
                <a href="#" data-lang="zh-CN" class="">简体中文</a>
                <a href="#" data-lang="zh-TW" class="">繁體中文</a>
            </p>
        </div>
    </div>
</header>